SiBE121135 Indoor Unit
Printed Circuit Board Connector Wiring Diagram 55
2.6 FVXS25/35/50FV1B
Connectors and
Other Parts
PCB (1): Sensor PCB
PCB (2): Control PCB
PCB (3): Service PCB
PCB (4): Display PCB
1) S49 Connector for control PCB
2) RTH2 (R1T) Room temperature thermistor
1) S1 Connector for fan motor
2) S21 Connector for centralized control (HA)
3) S26 Connector for service PCB
4) S32 Indoor heat exchanger thermistor
5) S41 Connector for lower air outlet motor
6) S42 Connector for swing motor
7) S46 Connector for display PCB
8) S48 Connector for sensor PCB
9) H1, H2, H3 Connector for terminal board
10)E1 Terminal for earth
11)V1, V2 Varistor
12)JA Address setting jumper
∗ Refer to page 415 for detail.
13)JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function
∗ Refer to page 418 for detail.
14) FU1 (F1U) Fuse (3.15A, 250V)
15) LED A LED for service monitor (green)
1) S27 Connector for control PCB
2) SW2-4 Switch for upward airflow limit setting
∗ Refer to page 418 for detail.
∗ Keep the other switches as factory setting.
3) SW4 (S4W) Switch for air outlet selection
∗ Refer to page 185, 195 for detail.
1) S47 Connector for control PCB
2) SW1 (S1W) Forced cooling operation [ON/OFF] button
3) LED1 (H1P) LED for operation (green)
4) LED2 (H2P) LED for timer (yellow)
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